1369013680 has 40 divisors (see below), whose sum is σ = 3230476272. Its totient is φ = 539430144.

The previous prime is 1369013677. The next prime is 1369013699. The reversal of 1369013680 is 863109631.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122347 + ... + 133066.

Almost surely, 2^1369013680 is an apocalyptic number.

1369013680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1369013680 is an abundant number, since it is smaller than the sum of its proper divisors (1861462592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1369013680 is a wasteful number, since it uses less digits than its factorization.

1369013680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255493 (or 255487 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1369013680 is about 37000.1848644030. The cubic root of 1369013680 is about 1110.3739453769.

The spelling of 1369013680 in words is "one billion, three hundred sixty-nine million, thirteen thousand, six hundred eighty".